Perceptual Learning Improve Visual Function in Patients With Keratoconus
- Conditions
- Keratoconus, Stable
Recruitment & Eligibility
- Status
- Active, not recruiting
- Sex
- All
- Target Recruitment
- 54
Inclusion Criteria:<br><br> 1. Aged 9 years or older;<br><br> 2. Has been diagnosed as Keratoconus,BAD-D=2.6;<br><br> 3. Change of Kmax < 1.0 D and change of BAD-D <0.4175 betweem the last two Pentacam<br> result;<br><br> 4. The best corrected visual acuity of both eyes was between 0.1 and 1.0;<br><br> 5. Has voluntarily agreed to participate in the study by signing the statement of<br> informed consent.<br><br>Exclusion Criteria:<br><br> 1. Has history of acute keratoconus;<br><br> 2. Has other eye diseases or other diseases/conditions causing vision loss;<br><br> 3. Has eye surgery history in the past 1year;<br><br> 4. Is currently using local/systemic medications or other interventions that may affect<br> visual function;<br><br> 5. Receiving other treatments that may affect the results of this study, such as<br> contact lenses during the study;<br><br> 6. Has any known neurological diseases;<br><br> 7. Participating in other studies currently that may affect the results of this study;<br><br> 8. Study other reasons that the physician considers inappropriate for inclusion in the<br> program.
Not provided
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method 3-months corrected visual acuity
- Secondary Outcome Measures
Name Time Method corrected visual acuity of other time frame;ucorrected visual acuity (UCVA);contrast sensitivity function (CSF)